英语词汇“perpetual motion”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	perpetual motion
释义	perpetual motion noun 1. : the motion of an ideal mechanism that could continue to operate indefinitely without drawing upon an external source of energy 2. obsolete : perpetual motion machine
随便看	onomasiology onomastic onomasticon onomastics onomato- onomato onomatology onomatomania onomatope onomatopoeia onomatopoeian onomatopoeic onomatopoeical onomatopoeically onomatopoetic onomatopoetically onomatopy onondaga onondagan on one's beam-ends on one's coattails on one's doorstep on one's ear on one's feet on one's good behavior

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